It should open Monday with a new symbol "EVTVD" which will have Friday's closing price x 15 and your quantity held should be divided by 15. Eventually, after all the old transactions have cleared, the name will be changed back to "EVTV" at the new higher price.
Of course, your brokers have to execute the change in their software and there will be some brokerages that will take longer to make the conversion than others.
Market Data 
Markets 
AI
